*IAI (Illinois Articulation Agreement) - An agreement among participating Illinois colleges and universities to help Illinois college students transfer credit as easily as possible. See an advisor in the Advising and Counseling for additional information, or read about the IAI at www.iTransfer.org.

AC, Heat & Refrigeration Tech

AHR101 - Introduction to Air Conditioning and RefrigerationCourse present theories, demonstrations and lab experiences in area of basic vapor compression cycle in refrigeration. Content includes functioning and operating characteristics of mechanical refrigeration system: condensers, evaporators, compressors, refrigerant control devices, refrigerants, test equipment, and special service procedures connected with basic refrigeration cycle. The Clean Air Act set by EPA for proper use of refrigerants explained. 4 Credit Hours (lecture: 3; lab: 3)Fee: $40

AHR106 - R-410a Usage CertificationCourse designed to prepare students to take R-410a safe use certification test. Content includes chemicals: HCFC-22, commonly known as R-22, used generally in air conditioning equipment; and R410a refrigerant, which replaces HCFC-22. Focus is on safe use of R-410a. Prepares for Certification in safe use of R-410aand associated oil. Prerequisite: AHR 101 or consent of department chair.1 Credit Hours (lecture: 1; lab: 0)

AHR107 - Carbon Monoxide and Associated DangersCourse covers how to evaluate buildings that may have a high level of carbon monoxide due to being tightly sealed to reduce air infiltration. HVACR technicians and first responders will gain knowledge to analyze building structures and eliminate hazards associated with carbon monoxide poisoning. Course is designed to prepare students to take the ESCO Institute Carbon Monoxide Certification test and gain certification.2 Credit Hours (lecture: 2; lab: 0)

AHR203 - Heating and Air Conditioning Load CalculationsCourse covers calculation of heating and cooling loads to determine appropriate selection of equipment in new construction. Content includes construction and heat transfer through structure, and computations for heat gains and heat losses for various building structures. Prerequisite: AHR 101 or consent of department chair.3 Credit Hours (lecture: 3; lab: 0)

AHR204 - Air Distribution Systems (Design)Course covers air moving and treating equipment, and distribution of air using appropriate devices. Content includes blower performance; static and dynamic pressures and pressure drop due to friction; sizing and selection of ductwork and blowers, diffusers, registers and grilles; and evaluation of system performance. Recommended: AHR 101.3 Credit Hours (lecture: 3; lab: 0)